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  1. Dictionary
    break·through
    /ˈbrākˌTHro͞o/

    noun

    • 1. a sudden, dramatic, and important discovery or development: "a major breakthrough in DNA research"

    More definitions, origin and scrabble points

  2. The meaning of BREAKTHROUGH is a sudden advance especially in knowledge or technique. How to use breakthrough in a sentence.

  3. an important discovery or event that helps to improve a situation or provide an answer to a problem: Scientists are hoping for a breakthrough in the search for a cure for cancer. A major breakthrough in negotiations has been achieved. More examplesFewer examples.

  4. noun. a military movement or advance all the way through and beyond an enemy's frontline defense. an act or instance of removing or surpassing an obstruction or restriction; the overcoming of a stalemate: The president reported a breakthrough in the treaty negotiations.

  5. 1. a significant or sudden advance, development, etc., as in scientific knowledge. 2. an act or instance of removing or surpassing an obstruction or restriction. 3. a military advance through and beyond an enemy's defense. [1915–20]

  6. An amazing discovery or a huge amount of progress can be called a breakthrough. The discovery of penicillin in 1928 was a breakthrough for modern medicine. A personal breakthrough might be overcoming your fear of spiders once and for all.

  7. an important discovery or event that helps to improve a situation or provide an answer to a problem: Scientists are hoping for a breakthrough in the search for a cure for cancer. A major breakthrough in negotiations has been achieved. Fewer examples. This drug has been heralded as a major breakthrough in the fight against breast cancer.

  8. Breakthrough definition: An act of overcoming or penetrating an obstacle or restriction.

  9. Breakthrough is the condition in which the solvent from a sorption process contains more than a particular level of solute.

  10. BREAKTHROUGH meaning: 1 : a sudden increase in knowledge, understanding, etc. an important discovery that happens after trying for a long time to understand or explain something sometimes used before another noun; 2 : a person's first important success sometimes used before another noun.

  11. BREAKTHROUGH definition: an important discovery or development that helps solve a problem: . Learn more.